/*-
 * ============LICENSE_START=======================================================
 * SDC
 * ================================================================================
 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
 * ================================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * ============LICENSE_END=========================================================
 */

package org.openecomp.sdc.common.util;

import org.apache.commons.lang3.tuple.ImmutablePair;
import org.apache.commons.lang3.tuple.Pair;

import java.util.List;
import java.util.stream.Collectors;

public class PairUtils {

    public static <L, R> List<L> leftSequence(List<ImmutablePair<L, R>> pairs) {
        return pairs.stream().map(Pair::getLeft).collect(Collectors.toList());
    }

    public static <L, R> List<R> rightSequence(List<Pair<L, R>> pairs) {
        return pairs.stream().map(Pair::getRight).collect(Collectors.toList());
    }

}
